<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@page import="cn.easybuy.entity.User"%>
<%
User user = (User)session.getAttribute("LoginUser");
if(user==null){
out.println("<script type = 'text/javascript'>");
out.println("alert('未登录或登陆已过期，请重新登陆')");
out.println("location.href='../pre/Login.jsp'");
out.println("</script>");
}
%>

